Add full-text search

Add a search box with a quick results popover, as well full results in
the sidebar on pressing enter.

app/components/search-box.gjs

@@ -0,0 +1,178 @@
+import Component from '@glimmer/component';
+import { service } from '@ember/service';
+import { tracked } from '@glimmer/tracking';
+import { action } from '@ember/object';
+import { on } from '@ember/modifier';
+import { fn } from '@ember/helper';
+import { debounce } from '@ember/runloop';
+import Icon from '#components/icon';
+
+export default class SearchBoxComponent extends Component {
+  @service photon;
+  @service router;
+  @service mapUi;
+  @service map; // Assuming we might need map context, but mostly we use router
+
+  @tracked query = '';
+  @tracked results = [];
+  @tracked isFocused = false;
+  @tracked isLoading = false;
+
+  get showPopover() {
+    return this.isFocused && this.results.length > 0;
+  }
+
+  @action
+  handleInput(event) {
+    this.query = event.target.value;
+    if (this.query.length < 2) {
+      this.results = [];
+      return;
+    }
+
+    debounce(this, this.performSearch, 300);
+  }
+
+  async performSearch() {
+    if (this.query.length < 2) return;
+
+    this.isLoading = true;
+    try {
+      // Use map center if available for location bias
+      let lat, lon;
+      if (this.mapUi.currentCenter) {
+        ({ lat, lon } = this.mapUi.currentCenter);
+      }
+      const results = await this.photon.search(this.query, lat, lon);
+      this.results = results;
+    } catch (e) {
+      console.error('Search failed', e);
+      this.results = [];
+    } finally {
+      this.isLoading = false;
+    }
+  }
+
+  @action
+  handleFocus() {
+    this.isFocused = true;
+    if (this.query.length >= 2 && this.results.length === 0) {
+      this.performSearch();
+    }
+  }
+
+  @action
+  handleBlur() {
+    // Delay hiding so clicks on results can register
+    setTimeout(() => {
+      this.isFocused = false;
+    }, 200);
+  }
+
+  @action
+  handleSubmit(event) {
+    event.preventDefault();
+    if (!this.query) return;
+
+    let queryParams = { q: this.query, selected: null };
+
+    if (this.mapUi.currentCenter) {
+      const { lat, lon } = this.mapUi.currentCenter;
+      queryParams.lat = parseFloat(lat).toFixed(4);
+      queryParams.lon = parseFloat(lon).toFixed(4);
+    }
+
+    this.router.transitionTo('search', { queryParams });
+    this.isFocused = false;
+  }
+
+  @action
+  selectResult(place) {
+    this.query = place.title;
+    this.results = []; // Hide popover
+
+    // If it has an OSM ID, go to place details
+    if (place.osmId) {
+      // Format: osm:node:123
+      // place.osmType is already normalized to 'node', 'way', or 'relation' by PhotonService
+      const id = `osm:${place.osmType}:${place.osmId}`;
+      this.router.transitionTo('place', id);
+    } else {
+      // Just a location (e.g. from Photon without OSM ID, though unlikely for Photon)
+      // Or we can treat it as a search query
+      this.router.transitionTo('search', {
+        queryParams: {
+          q: place.title,
+          lat: place.lat,
+          lon: place.lon,
+          selected: null,
+        },
+      });
+    }
+  }
+
+  @action
+  clear() {
+    this.query = '';
+    this.results = [];
+    this.router.transitionTo('index'); // Or stay on current page?
+    // Usually clear just clears the input.
+  }
+
+  <template>
+    <div class="search-box">
+      <form class="search-form" {{on "submit" this.handleSubmit}}>
+        <div class="search-icon">
+          <Icon @name="search" @size={{18}} @color="#666" />
+        </div>
+        <input
+          type="search"
+          class="search-input"
+          placeholder="Search places..."
+          aria-label="Search places"
+          value={{this.query}}
+          {{on "input" this.handleInput}}
+          {{on "focus" this.handleFocus}}
+          {{on "blur" this.handleBlur}}
+          autocomplete="off"
+        />
+        {{#if this.query}}
+          <button
+            type="button"
+            class="search-clear-btn"
+            {{on "click" this.clear}}
+            aria-label="Clear"
+          >
+            <Icon @name="x" @size={{16}} @color="#999" />
+          </button>
+        {{/if}}
+      </form>
+
+      {{#if this.showPopover}}
+        <div class="search-results-popover">
+          <ul class="search-results-list">
+            {{#each this.results as |result|}}
+              <li>
+                <button
+                  type="button"
+                  class="search-result-item"
+                  {{on "click" (fn this.selectResult result)}}
+                >
+                  <div class="result-icon">
+                    <Icon @name="map-pin" @size={{16}} @color="#666" />
+                  </div>
+                  <div class="result-info">
+                    <span class="result-title">{{result.title}}</span>
+                    {{#if result.description}}
+                      <span class="result-desc">{{result.description}}</span>
+                    {{/if}}
+                  </div>
+                </button>
+              </li>
+            {{/each}}
+          </ul>
+        </div>
+      {{/if}}
+    </div>
+  </template>
+}